diff options
| author | Atish Patra <atish.patra@wdc.com> | 2020-03-18 04:11:36 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-03-31 21:25:35 +0300 |
| commit | ecbacc2a3efd90cae34790379cc3e1b4932889d0 (patch) | |
| tree | 55cff5ec200ece6d0b05e9e7b1c94927cc188a91 /arch/riscv/include | |
| parent | b9dcd9e415872ae29f87667d23c8a8b946d24611 (diff) | |
| download | linux-ecbacc2a3efd90cae34790379cc3e1b4932889d0.tar.xz | |
RISC-V: Add SBI v0.2 extension definitions
Few v0.1 SBI calls are being replaced by new SBI calls that follows
v0.2 calling convention.
This patch just defines these new extensions.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/asm/sbi.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index 5b7b91c7e7e6..f68b6ed10a18 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -21,6 +21,9 @@ enum sbi_ext_id { SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7, SBI_EXT_0_1_SHUTDOWN = 0x8, SBI_EXT_BASE = 0x10, + SBI_EXT_TIME = 0x54494D45, + SBI_EXT_IPI = 0x735049, + SBI_EXT_RFENCE = 0x52464E43, }; enum sbi_ext_base_fid { @@ -33,6 +36,24 @@ enum sbi_ext_base_fid { SBI_EXT_BASE_GET_MIMPID, }; +enum sbi_ext_time_fid { + SBI_EXT_TIME_SET_TIMER = 0, +}; + +enum sbi_ext_ipi_fid { + SBI_EXT_IPI_SEND_IPI = 0, +}; + +enum sbi_ext_rfence_fid { + SBI_EXT_RFENCE_REMOTE_FENCE_I = 0, + SBI_EXT_RFENCE_REMOTE_SFENCE_VMA, + SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID, + SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA, + SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID, + SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA, + SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID, +}; + #define SBI_SPEC_VERSION_DEFAULT 0x1 #define SBI_SPEC_VERSION_MAJOR_SHIFT 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f |